- The first edition of Vanhal’s 6 Variations sur une Polonaise, Op.62, published by Kozeluch.
- The holograph manuscript of Bruckner’s Kurze Generalbass Regeln.
- The first edition of Banchieri’s L'Organo suonarino, Op.13, published by Ricciardo Amadino.
- The first edition of Clementi’s 3 Sonatas for Piano, Flute, and Cello, Op.21, published by Jean André.
- The first (French) edition of Chopin’s Ballade No.1, Op.23, published by Maurice Schlesinger.
More stuff down here... copyright, etc.